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Finding the Fourth Proportional to 544,426.34, 816,639.51 and 170,478.50

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Solution

The fourth proportional to 544,426.34, 816,639.51 and 170,478.50 is: 255,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,426.34 : 816,639.51 = 170,478.50 : x
  2. Step 2: Convert to fraction form
    544,426.34/816,639.51 = 170,478.50/x
  3. Step 3: Cross multiply
    544,426.34x = 816,639.51 × 170,478.50
  4. Step 4: Simplify right side
    544,426.34x = 139,219,478,705.54
  5. Step 5: Solve for x
    x = 139,219,478,705.54/544,426.34
  6. Step 6: Final answer
    x = 255,717.75

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.